etag 与 if-match
https://www.cnblogs.com/huangzhilong/p/4999207.html
https://juejin.im/post/5c136bd16fb9a049d37efc47
参考:https://aotu.io/notes/2016/09/22/http-caching/
posted on 2017-11-18 10:14 竹千代 阅读(121) 评论(0) 编辑 收藏 举报